$137 Cheap Spirit Airlines flights Phoenix (PHX) to New York (LGA)

Landing cheap one-way Spirit Airlines flights from PHX to LGA from $137 on Expedia is easy — just filter by “Price (lowest to highest).” Or check out our affordable round-trip fares from $255 for your next adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

January is one of the most affordable months to jet off to New York with Spirit Airlines. You could also find excellent prices on one-way and return fares in February.

Search for affordable Spirit Airlines flights from Sky Harbor Intl. Airport (PHX) to LaGuardia Airport (LGA) one to three months ahead of your departure day. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare type and itinerary, the best day to book a domestic flight is usually Sunday and the most expensive day tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To find out if there’s a direct route from PHX to LGA with Spirit Airlines or other airlines, use our “Nonstop” filter when searching for flights.

To find the earliest departures from PHX to LGA with Spirit Airlines, sort your results by “Early Morning” and “Morning.” Choosing an early flight usually means cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

LaGuardia Airport (LGA) is the primary New York hub for Spirit Airlines flights from Sky Harbor Intl. Airport (PHX).

A rewarding loyalty program and the ability to rack up points through Free Spirit are the start of the reasons to depart from PHX to LGA with Spirit Airlines. Plus, when you join our One Key™ program, you can receive OneKeyCash™* in addition to any airline loyalty program earnings. You can put it toward your future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are typically free within 24 hours of booking, but your airline may charge a fee after that. For further details about modifying your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to adjust your plans without additional costs, apply the “Changes included” or “No cancel fee” filter when planning your next escape.